19939485

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{971}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 32822496

約数和(自身を除く): 12883011

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 971, 1369, 2913, 4107, 4855, 6845, 14565, 20535, 35927, 107781, 179635, 538905, 1329299, 3987897, 6646495, 19939485]

約数ペア:

[(1, 19939485), (3, 6646495), (5, 3987897), (15, 1329299), (37, 538905), (111, 179635), (185, 107781), (555, 35927), (971, 20535), (1369, 14565), (2913, 6845), (4107, 4855)]